$(document).ready(function() {
	var dishesRankInfoDiv = $('div[id^=rank_info_id_]');
	for (var i = 0; i < dishesRankInfoDiv.length; i++) {
		var rankExtendDiv = $(dishesRankInfoDiv[i]).prev('div[id^=rank_ex_id_]');
		mouseoverDish($(dishesRankInfoDiv[i]), rankExtendDiv);
	}
});